Initial Startup and Configuration
Connecting Power to the Unit
If your package includes a power pack: Plug the power pack into an ac outlet having a nominal voltage rating between 100±240 Vac. Connect the output cable of the power pack to the connector marked POWER on the rear panel.
If your package includes a
Optional Power Sources
Using the optional dc power cable, the unit is capable of operating on a +24 Vdc power source. To select the power, choose one of the following power supply types.
Connecting the Unit to an Optional External DC Power Source
Using the dc power cable, the Hotwire Model 7986 Standalone Termination Unit is capable of operating on a +24 Vdc power supply.
NOTE:
The E1 M/HDSL Unit is typically powered by the ac power module. Use the following procedures only if you want to use an optional dc power source.
"Procedure
To use the dc power cable:
1.Connect the green wire to a suitable earth ground.
2.Connect the orange wire to the +24 Vdc source.
3.Connect the white wire to the return.
4.Cut the black, red, and blue wires off at the outer insulation.
5.Plug the power connector into the Model 7986 Standalone Termination Unit.
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| Black | X |
| 1 | ||
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| Red | ||
| 2 | X | |
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| Green | ||
| 3 | Earth Ground | |
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| White | ||
| 4 | RTN | |
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| Orange | ||
| 5 | +24 Vdc | |
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| Blue | ||
| 6 | X | |
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+24 Vdc Power Supply Pinouts
September 1998 |
